6e482ac5ad
Rename ...write_bytes... to ...write_records..., that's what they do. Move writer .h stuff into writer private .h file. Change logic in writer to support both fifolog usage in FreeBSD and Measured usage better, by always using an input buffer. Various cleanups.
76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
/*-
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* Copyright (c) 2005-2008 Poul-Henning Kamp
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#define FIFOLOG_PT_BYTES_PRE 0
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#define FIFOLOG_PT_BYTES_POST 1
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#define FIFOLOG_PT_WRITES 2
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#define FIFOLOG_PT_FLUSH 3
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#define FIFOLOG_PT_SYNC 4
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#define FIFOLOG_PT_RUNTIME 5
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#define FIFOLOG_NPOINT 6
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struct fifolog_writer {
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unsigned magic;
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#define FIFOLOG_WRITER_MAGIC 0xf1f0706
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struct fifolog_file *ff;
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unsigned writerate;
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unsigned syncrate;
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unsigned compression;
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int cleanup;
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intmax_t cnt[FIFOLOG_NPOINT];
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uint32_t seq;
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off_t recno;
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uint8_t flag;
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time_t last;
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ssize_t obufsize;
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u_char *obuf;
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ssize_t ibufsize;
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ssize_t ibufptr;
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u_char *ibuf;
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time_t starttime;
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time_t lastwrite;
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time_t lastsync;
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};
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struct fifolog_writer *fifolog_write_new(void);
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const char *fifolog_write_open(struct fifolog_writer *f, const char *fn, unsigned writerate, unsigned syncrate, unsigned compression);
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int fifolog_write_record(struct fifolog_writer *f, uint32_t id, time_t now, const void *ptr, ssize_t len);
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int fifolog_write_poll(struct fifolog_writer *f, time_t now);
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int fifolog_write_record_poll(struct fifolog_writer *f, uint32_t id, time_t now, const void *ptr, ssize_t len);
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void fifolog_write_close(struct fifolog_writer *f);
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void fifolog_write_destroy(struct fifolog_writer *f);
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extern const char *fifolog_write_statnames[];
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